Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Detail)

v3.19.2
Income Taxes - Additional Information (Detail) - USD ($)
12 Months Ended
May 31, 2019
May 31, 2018
May 31, 2017
Schedule Of Income Taxes [Line Items]      
Net deferred tax benefit (expense) $ (2,826,919) $ 0 $ 0
Effective income tax rate reconciliation, at blended income tax rate, percent 21.00%    
Federal statutory income tax rate 21.00% 28.60% 34.00%
Net operating loss $ 190,500,000 $ 139,200,000 $ 95,600,000
Basis difference in acquired assets $ 2,826,919